[
    {
        "id": 1,
        "from": "client",
        "text": "Hi, can delete dtc p0420 ? ecu is ems 2303, thanks !!",
        "file_url": "",
        "timestamp": "2026-05-04T15:42:23+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "hello sir this ecu is not supported sorry",
        "file_url": "",
        "timestamp": "2026-05-04T15:59:03+02:00"
    },
    {
        "id": 3,
        "from": "client",
        "text": "OK OK, THANKS !!!!!",
        "file_url": "",
        "timestamp": "2026-05-04T16:01:55+02:00"
    }
]